Radeon HD 8990 OEM vs HD 8750M

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking815not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 1.0 (2011−2020)
GPU code nameMarsMalta
Market segmentLaptopDesktop
Release date26 February 2013 (11 years ago)24 April 2013 (11 years ago)
Launch price (MSRP)no data$999

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3842048
Core clock speed670 MHz950 MHz
Boost clock speed775 MHz1000 MHz
Number of transistors950 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data375 Watt
Texture fill rate16.08128.0
Floating-point processing power0.5146 TFLOPS4.096 TFLOPS
ROPs832
TMUs24128

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizemedium sizedno data
InterfacePCIe 3.0 x8PCIe 3.0 x16
Lengthno data307 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount1 GB3 GB
Memory bus width128 Bit384 Bit
Memory clock speed1000 MHz1500 MHz
Memory bandwidth64 GB/s288.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsPortable Device Dependent1x DVI, 4x mini-DisplayPort

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)12 (11_1)
Shader Model6.5 (5.1)5.1
OpenGL4.64.6
OpenCL2.1 (1.2)1.2
Vulkan1.2.1701.2.131

Pros & cons summary


Recency 26 February 2013 24 April 2013
Maximum RAM amount 1 GB 3 GB

HD 8990 OEM has an age advantage of 1 month, and a 200% higher maximum VRAM amount.

We couldn't decide between Radeon HD 8750M and Radeon HD 8990 OEM. We've got no test results to judge.

Be aware that Radeon HD 8750M is a notebook card while Radeon HD 8990 OEM is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 8750M
Radeon HD 8750M
AMD Radeon HD 8990 OEM
Radeon HD 8990 OEM

Comparisons with similar GPUs

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Community ratings

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